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CA $125 Cheap Flights from Baltimore (BWI) to Chicago (ORD)

View CA $125 flight on Mon, Sep 21, 2026Opens in a new window

Popular airlines from Baltimore Washington International Airport (BWI) to Chicago O'Hare International Airport (ORD)

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Cheap flights from Baltimore (BWI) to Chicago (ORD)

Prices were available within the past 7 days and start at CA $125 for one-way flights and CA $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 21 - Mon, Sep 28
BWI
Baltimore
ORD
Chicago
CA $250 Roundtrip, found 3 hours ago
CA $250
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Sep 21 from Baltimore to Chicago, returning Mon, Sep 28, priced at CA $250 found 3 hours ago
American Airlines
Mon, Sep 21 - Mon, Sep 28
BWI
Baltimore
ORD
Chicago
CA $264 Roundtrip, found 3 hours ago
CA $264
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Sep 21 from Baltimore to Chicago, returning Mon, Sep 28, priced at CA $264 found 3 hours ago
Delta
Thu, Oct 22 - Wed, Oct 28
BWI
Baltimore
ORD
Chicago
CA $278 Roundtrip, found 3 hours ago
CA $278
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Oct 22 from Baltimore to Chicago, returning Wed, Oct 28, priced at CA $278 found 3 hours ago
American Airlines
Mon, Sep 21 - Mon, Sep 28
BWI
Baltimore
ORD
Chicago
CA $306 Roundtrip, found 3 hours ago
CA $306
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Sep 21 from Baltimore to Chicago, returning Mon, Sep 28, priced at CA $306 found 3 hours ago
American Airlines
Mon, Sep 21 - Mon, Sep 28
BWI
Baltimore
ORD
Chicago
CA $309 Roundtrip, found 3 hours ago
CA $309
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Sep 21 from Baltimore to Chicago, returning Mon, Sep 28, priced at CA $309 found 3 hours ago
American Airlines
Mon, Sep 28 - Mon, Oct 5
BWI
Baltimore
ORD
Chicago
CA $320 Roundtrip, found 4 hours ago
CA $320
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Mon, Sep 28 from Baltimore to Chicago, returning Mon, Oct 5, priced at CA $320 found 4 hours ago
Delta
Thu, Oct 22 - Wed, Oct 28
BWI
Baltimore
ORD
Chicago
CA $320 Roundtrip, found 3 hours ago
CA $320
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Oct 22 from Baltimore to Chicago, returning Wed, Oct 28, priced at CA $320 found 3 hours ago
Delta
Thu, Aug 20 - Mon, Aug 24
BWI
Baltimore
ORD
Chicago
CA $321 Roundtrip, found 2 days ago
CA $321
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 20 from Baltimore to Chicago, returning Mon, Aug 24, priced at CA $321 found 2 days ago
United
Thu, Oct 1 - Sat, Oct 24
BWI
Baltimore
ORD
Chicago
CA $327 Roundtrip, found 4 hours ago
CA $327
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 1 from Baltimore to Chicago, returning Sat, Oct 24, priced at CA $327 found 4 hours ago
JetBlue Airways
Thu, Sep 24 - Sat, Oct 3
BWI
Baltimore
ORD
Chicago
CA $537 Roundtrip, found 4 hours ago
CA $537
Roundtrip
found 4 hours ago
Select JetBlue Airways flight, departing Thu, Sep 24 from Baltimore to Chicago, returning Sat, Oct 3, priced at CA $537 found 4 hours ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city centre is 23 minutes. Flights from CA $398
ORD
O'Hare Intl.
Cheapest
Average driving time to city centre23 min
Flights from CA $398

Frequently asked questions

How much does a flight from Baltimore, MD (BWI) to Chicago, IL (ORD) cost?
You can find one-way and return flights from Baltimore, MD (BWI) to Chicago, IL (ORD) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BWI to ORD ticket fares go up or down.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
September is typically the cheapest month to fly from Baltimore Washington International Thurgood Marshall (BWI) to Chicago O'Hare International (ORD), with average return fares around CA$306. September often sees lower prices as the peak summer travel season ends and demand decreases. Other cheap months to fly from BWI to ORD include February and October.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
There are 4 airlines offering direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD). Here are some of the top carriers:
  • United operates 53 direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) every week.
  • American Airlines operates 31 direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) every week.
  • Japan Airlines operates 9 direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) every week.
  • Frontier Airlines operates 7 direct flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) every week.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Spirit Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from BWI to ORD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Baltimore, MD (BWI) to Chicago, IL (ORD)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find approximately 12 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD). For even more choices, look at flights that include layovers, as there are around 67 connecting flights per day. Some common connection points include Charlotte-Douglas Intl. (CLT), Hartsfield-Jackson Atlanta Intl. (ATL), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find the most flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) on a Friday, with around 53 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Delta, and American Airlines. Friday and Thursday both offer notably more flight options compared to other days of the week, making them great choices if you're looking for a good selection of flights.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to O'Hare Intl. (ORD) are in the early morning, between 6am and 9am. Many major carriers, including Southwest Airlines, American Airlines and Delta, offer flights during this window. Many travelers prefer these early flights to get a head start on their day in Chicago.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
A non-stop flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Chicago, IL (ORD-O'Hare Intl.) typically takes around 2 hours 18 minutes. This route covers a distance of approximately 998 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 7 hours 30 minutes. Flights with two or more stops generally take about 8 hours 30 minutes. Keep in mind that actual flight durations can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
Yes, you can fly business class or first class between BWI and ORD. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Spirit Airlines, Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago, IL (ORD) from Baltimore, MD (BWI)?
If you're planning to travel to Chicago from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Cincinnati - Northern Kentucky Intl. (CVG), or Greenville-Spartanburg Intl. (GSP) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $250
Distance
991 km
Average flight time
1 hour 21 mins

Book with confidence

Baltimore to Chicago Flights

The easy way to book your flights from Baltimore to Chicago 

With Expedia, it’s simple to find and book flights to Chicago from Baltimore whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to O'Hare Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Baltimore to Chicago today, tomorrow, or this week.  

 

Save dollars with cheap flights from Baltimore Washington Intl. Thurgood Marshall, BWI to O'Hare Intl., ORD 

Sort your search results by price to find great deals on your flight from Baltimore to Chicago—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Chicago from Baltimore currently is just CA $250 rising to CA $537.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Chicago  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Chicago from Baltimore 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Chicago with Expedia today.

Baltimore to Chicago Flights

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